José Caballero cares about many parts of his game. Lighting up the underlying metrics is not exactly one of them. Caballero’s all-around strong performance in recent weeks was enough to change the organization’s plans and unseat Anthony Volpe (once he was healthy) for the starting shortstop job, at least for now. And yet, that offensive surge has not lined up with the under-the-hood metrics the Yankees often look at — average exit velocity, hard-hit rate, chase rate and expected numbers — when trying to predict results over the course of a long season. “I’m trying to win a battle, man,” Caballero said Tuesday at Yankee Stadium. “It doesn’t matter how I win it, I want to win the battle. Every at-bat for me is a battle. … I’m just trying to be on base, make some damage and help my team.” Caballero has certainly fulfilled that goal.…